/******************************************************************************
*
* Copyright (c) 2014 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* URLDecoder.h
*
*****************************************************************************/
#pragma once
#include <oz++/CommonObject.h>
#include <oz++/CharString.h>
/**
*/
namespace OZ {
class URLDecoder :public CommonObject {
public:
/**
*/
URLDecoder() {
}
/**
*/
~URLDecoder() {
}
public:
/**
* @param data [IN] Null-terminated string to decode.
* @param encoded [OUT] URL-decoded string.
*/
bool decode(const char* data, CharString& decoded) {
bool rc = false;
char* dec = decode(data);
if (dec) {
decoded = dec;
delete [] dec;
rc = true;
}
return rc;
}
public:
CharString decode(const CharString bstring) {
const char* dec = NULL;
const char* string = (const char*)bstring;
if (string) {
dec = decode(string);
}
return CharString(dec, false);
}
public:
/**
*/
char* decode(const char* data) {
if (data == NULL) {
return NULL;
}
int len = strlen(data);
char* buffer = new char[len + 1];
memset(buffer, 0, len+1);
int n = 0;
for (int i = 0; i < len; i++) {
unsigned char c = data[i];
if (c == '+') {
buffer[n++] = ' ';
} else if (c == '%') {
int v1 = toInt(data[++i]);
int v2 = toInt(data[++i]);
char r = (char)(v1*16 + v2);
buffer[n++] = r;
} else {
buffer[n++] = c;
}
}
buffer[n] = ZERO;
return buffer;
}
private:
/**
*/
int toInt(char c) {
c = toupper(c);
int n = 0;
if ((c >= '0') && (c <= '9')) {
n = c - '0';
} else if ((c >= 'A') && (c <= 'F')) {
n = 10 + (c - 'A');
}
return n;
}
};
}